What kind of autumn sweet potato

1. Seed Potatoes Using the potato vines in the spring potato or summer potato region, the potato vines can be cut in the ground. The upper part of the potato vines is cut into 5 sections, and the base section at 45 degrees is inserted into the soil in 3 sections. The top part of the plant is exposed and 2 acres are planted. About the strain. Then the earth around the seedlings was compacted and watered. 2. Fertilization: Apply enough base fertilizer before planting, apply 2500 kilograms of high-quality farmyard fertilizer per acre, plant 5-8 kilograms of ammonium bicarbonate per acre after planting for 5-7 days; 40-70 days after planting, see The seedling topdressing potato fertilizer is mainly based on potash fertilizer. With the topdressing amount of nitrogen fertilizer, 100 kg of plant ash or 6 kg of potassium sulfate and 5 kg of urea are planted in each acre. Mushi 500-600 kilograms of human feces, fertilization method is to be ridden with cracks in the top of the ridge or with potassium dihydrogen phosphate 200 grams plus 500 grams of urea mixed with water 40 kilograms, spraying 2 times. 3, strengthen field management, pay attention to drought drainage. 4, timely harvest, improve the quality of the product quality potato, and ensure quality.

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